18885 (number)

18885 is an odd 5-digits composite number following 18884 and preceding 18886. In scientific notation, it is written as 1.8885 × 10^4. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 10064 positive integers (up to 18885) that are relatively prime to 18885.

Interesting facts

Basic properties

Name

Name eighteen thousand eight hundred eighty-five

Notation

Scientific notation 1.8885 × 10^4
Engineering notation 1.8885 × 10^3

Prime Factorization of 18885

Prime Factorization 5 × 3 × 1259

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18885
Product of the distinct prime numbers

The prime factorization of 18885 is 5 × 3 × 1259. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 34, 100, 326, 294, 6523, 6529, 24759, 88973, 218744, 1102, 7684789, 6535775, 67718408, 81180147, 584507994, 671161662, 8442564061, 140476303

Basic calculations (n = 18885)

Multiplication

n×y
n×2 37770
n×3 56655
n×4 75540
n×5 94425

Division

n÷y
n÷2 9442.5
n÷3 6295
n÷3 4721.25
n÷5 3777

Exponentiation

ny
n2 356643225
n3 6735207304125
n4 127194389938400625
n5 2.4020660539867E+21

Nth Root

y√n
2√n 137.42270554752
3√n 26.630071330051
4√n 11.722743089717
5√n 7.1651188378784

Divisors of 18885

1, 3, 5, 15, 1259, 3777, 6295, 18885

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18884
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18885 can be divided by 8 positive divisors. The sum of these divisors (counting 18885) is 1, the average is 0.125.

Base conversion 18885

Base System Value
2 Binary 100100111000101
3 Ternary 221220110
4 Quaternary 10213011
5 Quinary 1101020
6 Senary 223233
8 Octal 44705
10 Decimal 18885
12 Duodecimal ab19
16 Hexadecimal 49c5
20 Vigesimal 2745
36 Base36 ekl

Cryptographic Hash Functions

md5 4360aad4b6737e02e0dfa46aad3f100c
sha1 9e51f3e9eee078c7bc7f07dcaa91225ddd87462d
sha256 2d8169b99b73866525298c8090d135ef91ffc9db03fcad2d7fbe46acbc33b774
sha512 11baf9a0f23a2e66d4dbcaa91311ec3fa388b0e90aeaed12f7e6677307bb4238c35333cdd518b6d2d56b99ee509a42e314801d1db2790897db18e09d4673c775
ripemd-160 f94711a56cfed3880723d31dff408374c9843953

18885 as geometric shapes

Circle

Radius = n
Diameter 37770
Circumference 118657.95452609
Area 1120427735.6126

Sphere

Radius = n
Volume 28212370382725
Surface area 4481710942.4503
Circumference 118657.95452609

Square

Length = n
Perimeter 75540
Area 356643225
Diagonal 26707.423125416

Cube

Length = n
Surface area 2139859350
Volume 6735207304125
Space diagonal 32709.779500938

Equilateral Triangle

Length = n
Perimeter 56655
Area 154431046.4688
Altitude 16354.889750469

Triangular Pyramid

Length = n
Surface area 154431046.4688
Volume 793751792907.33
Height 8902.4743751386